Add Cloudstate extensions
diff --git a/docs/options.md b/docs/options.md
index 57e4587..3f606ad 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -232,3 +232,7 @@
 1. grpc-graphql-gateway
    * Website: https://github.com/ysugimoto/grpc-graphql-gateway
    * Extensions: 1079
+
+1. Cloudstate
+   * Website: https://cloudstate.io
+   * Extensions: 1080-1084